And Jeffgamer's issue continues here today (Nov 9).
Posted a note in his original thread, as it was the first I'd found. Here's a copy.
Safari 11.1.2 OS X 11.6 (El Capitan)
version 1.2 of the Geocaching maps
I've been flipping over to Firefox when these get frustrating, but prefer Safari's ease of zooming the view with a pinch or spread of the fingers on the trackpad.
Went through these steps with a new cache notice today:
1, Received notice of New Traditional cache placed (within my search area)
2. Clicked link in email message to open cache listing (in new Safari page)
3. Read description nd viewed small map.
4. Not enough context in small map, so clicked View Larger Map.
5. That opened Geocaching.com to a new tab showing "'can't find it' message in Safari:
5a. Munute marks were missing from coordinates, so added them to the cearch field and tried again, with same result as above).
6. Went back to cache listing page and copied coordinates (with no minute marks) to clipboard.
7. Opened new page in Safari, opened Google Maps using a bookmark, and pasted the cpied coordinates into the Google Maps search field.
Map appeared with usual red teardrop at searched location and the usual (non-geocaching) labels
8. Returned to Geocaching.com page, clicked Play, chose Search, and pasted the copied coordinates into search field, Clicked Search (or magnifier).
This opened the expected list of caches, with the one at the copied coordinates at the top of the list (as expected).
9. Clicked Map these Caches. and got the same can't find it" message as before.
TW